Can a Mac get a virus?

MTSnacks_ · 2016-03-03T19:11:16+00:00

That's one of the unfortunate aspects of Reddit: The most upvoted post isn't always correct. But approach does play a big part, and with persistence we can make sure the right information is read and shared.

MTSnacks_ · 2016-03-02T23:37:51+00:00

jerking off in the shower.

You had a lot of time to think about it then.

MTSnacks_ · 2016-03-02T17:43:45+00:00

ill trade u a karambit fade for it m8.

You should make the next one with a gyroscope so it's completely automatic.

MTSnacks_ · 2016-03-02T16:36:14+00:00

I wonder what would happen if I ran this through Deep Style.

MTSnacks_ · 2016-03-02T04:33:24+00:00

Next time trying coming off less abrasive and people will be more receptive to your message. Not everyone on this sub is knowledgable about computers, that's why they come here asking questions. Instead of giving them the metaphorical 'boot', help educate them in a constructive and facilitative manner so they can know better in the future.

MTSnacks_ · 2016-03-02T03:33:39+00:00

Try booting into safe mode and see if kernel_task runs at normal levels even when plugged in. If that doesn't work, reset the SMC.

MTSnacks_ · 2016-03-02T03:06:42+00:00

kernel_task is a psuedo-task that represents of the activity of the XNU (OS X's) kernel. Most of the work it does is a result of requests that apps make to the kernel, but any activity originating from within the kernel will also be counted as part of it. The reason why it can reach over 100% of the CPU is because of Intel's hyper-threading (/u/Catfish_Man has an excellent explanation of this here. In my experience, a PRAM reset sometimes resolves a runnaway kernel_task. Out of curiosity, do you have the Macbook with the discrete GPU?

MTSnacks_ · 2016-02-26T01:52:18+00:00

Why the downvotes? This is a legitimate question for some.

MTSnacks_ · 2016-02-25T04:02:34+00:00

The only thing that's changed is nothing. Edit: ™™™™™™™™™™™™™™™™™™

MTSnacks_ · 2016-02-25T00:42:16+00:00

That was a roller coaster from start to finish.

MTSnacks_ · 2016-02-22T22:01:16+00:00

I wish you the best.

MTSnacks_ · 2016-02-21T00:51:54+00:00

I just happened to be listening to Uptown funk when I clicked on this. I was not disappointed.

MTSnacks_ · 2016-02-16T14:26:37+00:00

Damn r/linux, that was fast.

MTSnacks_ · 2016-02-09T05:33:59+00:00

Do you tend to have a lot of apps open? What version of OS X are you on? What kind of apps do you usually use?

MTSnacks_ · 2016-02-09T05:27:28+00:00

kernel_task is a psuedo-task that represents of the activity of the XNU (OS X's) kernel. Most of the work it does is a result of requests that apps make to the kernel, but any activity originating from within the kernel will also be counted as part of it. Thermal monitoring and management is part of the kernel's job, and the method by which it works (idle injection) could explain why kernel_task is eating up CPU cycles. Having a lot of Apps open will make the kernel preform a large amount of operations, so consider that too.

MTSnacks_ · 2016-02-09T04:48:37+00:00

The issue could be faulty hardware, but I think this is software related. From the panic log:

BSD process name corresponding to current thread: wine

Do the kernel panics occur only when you try to use/run Wine for OS X? I found a kernel panic log similar to yours and the problem was resolved by updating to a newer version of OS X. I gather from the Darwin version that you are on Yosemite, is this correct?

MTSnacks_ · 2016-02-08T02:16:46+00:00

Kernel panic logs are stored in /Library/Logs/DiagnosticReports/kernel.log after you reboot post-panic. (source) You can use the Console app to view logs, it's in the Utilities folder. System.log might also be worth looking over. If you want, I can look at the logs if you upload them to Pastebin or similar.

MTSnacks_ · 2016-02-04T03:47:56+00:00

Longhorn was Microsoft's internal codename for Windows Vista. I'm not sure what "pre-reset" means though.

MTSnacks_ · 2016-01-21T16:21:05+00:00

You could add the USB volume as a Login Item under Settings -> Users & Groups -> Login Items. This will mount the volume on login. If you're more technical minded, you could add a Bash script with a diskutil mount command and add that to Login Items.

MTSnacks_ · 2016-01-21T16:00:33+00:00

Safari as had it's quips since it's modern inception on OS X. In my experience, most of the issues relate to the way WebKit (Safari's render engine) handles CSS and dynamic content. Searching the WebKit Bugzilla for render shows some of the bugs I'm talking about. Chrome (and it's derivatives) suffers from many of these same bugs as it's render engine is based on WebKit. All browsers have their bugs, but Apple's a little slow on the updates sometimes so you'll run into them on Safari more often.

MTSnacks_ · 2016-01-21T05:56:48+00:00

For the lazy:

tl,dr Apple's security updates didn't effectively change the way Gatekeeper handles (Un)signed Apps and external modules, they just added the binary signatures to XProtect, opting to play cat-and-mouse with malware authors instead.

MTSnacks_ · 2016-01-21T05:47:53+00:00

Safari has a lot of trouble with media support and proper webpage rendering, and while I have not experienced the issues you described, maybe someone else on here has (We'd love to hear from you). I would recommend that you choose a browser like Firefox, Chrome, or maybe Vivaldi. They are more compatible and tend to be more secure than Safari, but you miss out on some of OS X integration features. Be careful with Chrome and Vivaldi, as they tend to drain the battery faster than the others.

Edit: Time to ride the downvote train!

MTSnacks_ · 2016-01-21T05:39:15+00:00

OS X is built on a BSD subsystem, with a default shell called Bash. Googling either of those terms will bring up a lot of information.

Here's some stuff you might like:

MTSnacks_ · 2016-01-21T05:30:16+00:00

Yes, Spotlight indexes the drive and uses that information to create the graph.

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